—— 请按键盘 空白键 开始游戏 ——

孩子不是涂色本,你不能随心所欲填上自己喜欢的颜色。
我不是开始,我是结束。
The perfection of machinery is to produce the desired effect with the least possible friction and waste.
Coal will remain a vital energy source, but only if we evolve with the times.
In the infancy of societies, the chiefs of state shape its institutions; later the institutions shape the chiefs of state.